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| Number | Title | Issue Date |
| 7381394 | Method for producing perovskite-type composite oxide Methods of producing a safe and hygienic method for industrially and efficiently producing a perovskite-type composite oxide are provided that can maintain the catalytic activity of a noble metal at a high level. Methods include preparing a precursor of the perovski... | 06/03/2008 |
| 7347887 | Oxygen sorbent compositions and methods of using same Composites and methods useful for oxygen sorption and other uses are presented, the composites comprising: (A) one or more crystalline ceramic oxides selected from compounds within general formula (1): AxA′ | 03/25/2008 |
| 7338549 | Oxygen sorbent compositions and methods of using same Compositions and methods useful for oxygen sorption and other uses are presented, the compositions A composite material comprising components (A) and (B), wherein component (A) is selected from crystalline ceramic materials capable of forming a stable, reversible pe... | 03/04/2008 |
| 7338917 | Purification catalyst for exhaust gas A purification catalyst for exhaust gas enhances the activity for each precious metal by effectively utilizing the precious metal without incurring a high production cost, thereby improving endurance. The purification catalyst for exhaust gas comprises a composite o... | 03/04/2008 |
| 7303606 | Oxy-fuel combustion process Production of oxygen-enriched gas streams is disclosed herein. Air streams contact an oxygen-selective mixed conductor particularly a perovskite material whereby oxygen is retained or adsorbed on the perovskite and can be employed in a variety of processes such as i... | 12/04/2007 |
| 7297322 | Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process A process for producing powders of metal compound containing oxygen including the steps of: feeding at least one material selected from a liquid material and a solution material obtained by dissolving solid ingredient in organic solvent via a liquid flow controller ... | 11/20/2007 |
| 7291321 | Preparation of catalyst and use for high yield conversion of methane to ethylene A perovskite catalyst is prepared using a ceramic sol-sol methodology comprising preparing slurry in water of an alkaline earth metal salt, a powdered metal salt and a powdered transition metal oxide, adding a polymeric binder to form a paste, drying and comminuting... | 11/06/2007 |
| 7259126 | Gas diffusion electrode and catalyst for electrochemical oxygen reduction and method of dispersing the catalyst An improved gas diffusion electrode composed of a perovskite-type oxide dispersed in a mixture of carbon black and a hydrophobic binder polymer. An improved catalyst for use in the electrochemical reduction of oxygen comprising a perovskite-type compound having alph... | 08/21/2007 |
| 7208136 | Alcohol steam reforming catalysts and methods of alcohol steam reforming The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of the present invention, including low temperature activity and/or low c... | 04/24/2007 |
| 7205257 | Catalyst for clarifying exhaust gas To provide an exhaust gas purifying catalyst which can maintain the catalytic activity at a high level over a long time and can achieve satisfactory emission control performance, an exhaust gas purifying catalyst is prepared so as to contain a noble metal, a perovsk... | 04/17/2007 |
| 7205256 | Oxide material, method for preparing oxide thin film and element using said material An oxide material characterized by that it has a perovskite structure comprising an oxide represented by ABO3, (Bi2O2)2+ (Am−1BmO3m+1)2− wherein A represents one kind or two ... | 04/17/2007 |
| 7199079 | Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for automobile exhaust gas A purification catalyst for exhaust gas enhances the activities of the precious metals, preventing decrease of activities at high temperature, and exhibiting a satisfactory performance during operation. In the purification catalyst of the present invention, Pd is su... | 04/03/2007 |
| 7183236 | Ceramic catalyst body An object of the present invention is to realize low pressure loss and high purification performance in a constitution in which a primary catalyst component and co-catalyst component are loaded onto a ceramic support that allows catalyst components to be loaded dire... | 02/27/2007 |
| 7166267 | Solid solutions, applicable as catalysts, with perovskite structure comprising noble metals Materials with a perovskite structure in form of solid solutions with general formula: AzZr1−xBxO3 Where A is Ba or a rare earth element, B is Pt, Ir, Rh or Ce z is 1 when A is Ba and is ⅔ when A is a rare earth, x is ... | 01/23/2007 |
| 7151067 | Porcelain composition, composite material comprising catalyst and ceramic, film reactor, method for producing synthetic gas, apparatus for producing synthetic gas and method for activating catalyst A porous catalyst layer containing mixed conducting oxide having substantially a perovskite structure and containing a first element selected from Co and Fe, and a second element selected from In, Sn and Y arranged in the B site in the perovskite structure is contig... | 12/19/2006 |
| 7030054 | PGM-free washcoats for catalyzed diesel particulate filter applications The present invention provides new platinum group metal (“PGM”) free catalytic compositions that comprise silver and/or cobalt stabilized ceria. These compositions facilitate soot oxidation during the regeneration of diesel particulate filters (DPF) thereby repl... | 04/18/2006 |
| 7001867 | Rare earth aluminates and gallates supported rhodium catalysts for catalytic partial oxidation of hydrocarbons The present invention relates to improved catalyst compositions, as well as methods of making and using such compositions. In particular, preferred embodiments of the present invention comprise rare earth catalyst supports, catalyst compositions having rare earth su... | 02/21/2006 |
| 6958407 | Process for producing phenyl ester, and catalyst A phenyl ester is produced by allowing benzene, a carboxylic acid and molecular oxygen to react with each other in the presence of a catalyst comprising (A) palladium, (B) at least one element selected from elements of groups 13, 14, 15, and 16 and the fourth to six... | 10/25/2005 |
| 6946213 | Perovskite electrodes and method of making the same The invention relates to perovskite oxide electrode materials in which one or more of the elements Mg, Ni, Cu, and Zn are present as minority components that enhance electrochemical performance, as well as electrode products with these compositions and methods of ma... | 09/20/2005 |
| 6936237 | Reforming catalysts and methods of alcohol steam reforming The present invention provides catalysts, reactors, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties obtained in methods and catalysts of the present invention are also described. ... | 08/30/2005 |
| 6664117 | Method for resistance memory metal oxide thin film deposition A method of forming a multi-layered, spin-coated perovskite thin film on a wafer includes preparing a perovskite precursor solution including mixing solid precursor material into acetic acid forming a mixed solution; heating the mixed solution in air for ... | 12/16/2003 |
| 6569803 | Catalyst for purifying exhaust gas A catalyst, for purifying an exhaust gas, contains at least one catalyst component from among Pt, Pd, Rh, Au, Ag and Ir, and a complex oxide of the perovskite type comprising at least two different metal elements. In the catalyst, the catalyst component i... | 05/27/2003 |
| 6536210 | Exhaust gas purification apparatus for internal combustion engine An exhaust gas purification apparatus for an internal combustion engine capable of lean operation has an Ir-containing selectively reducing catalyst and an NOx adsorptive catalyst. The Ir-containing selectively reducing catalyst in which iridium is an act... | 03/25/2003 |
| 6534031 | Process for preparing high surface area triple layered perovskites A process for synthesizing a family of non-pillared metal oxide triple layered perovskite has been developed. The perovskite has a surface area of at least 30 m2 /g and an empirical formula of AB2 M3 O10-x where A is... | 03/18/2003 |
| 6531425 | Catalytic converter comprising perovskite-type metal oxide catalyst Perovskite-type catalyst consists essentially of a metal oxide composition is provided. The metal oxide composition is represented by the general formula Aa-x Bx MOb, in which A is a mixture of elements originally in the f... | 03/11/2003 |
| 6471921 | Mixed ionic and electronic conducting ceramic membranes for hydrocarbon processing The invention relates to mixed phase materials for the preparation of catalytic membranes which exhibit ionic and electronic conduction and which exhibit improved mechanical strength compared to single phase ionic and electronic conducting materials. The ... | 10/29/2002 |
| 6352955 | Perovskite-type metal oxide compounds Perovskite-type catalyst consists essentially of a metal oxide composition is provided. The metal oxide composition is represented by the general formula A1-x Bx MO3, in which A is a mixture of elements originally in the f... | 03/05/2002 |
| 6293978 | Process for converting organic compounds using composite materials in membrane reactors A process for converting organic compounds using composite materials in membrane reactors. The composite materials include a gas-tight ceramic, a porous metallic support, and an interfacial zone therebetween eliminate the need for mechanical seals between... | 09/25/2001 |
| 6261990 | Composite catalyst for purification of exhaust gas A composite catalyst includes a first catalyst part containing an Ir catalyst and a second catalyst part covering the first catalyst part and containing a perovskite type composite oxide. The perovskite type composite oxide contributes mainly to oxidation... | 07/17/2001 |
| 6262325 | Basic catalyst based on titanates, zirconates and hafnates The catalyst comprises at least one alkali metal on a support which has the general formula (I) An' Tim' Zrp' Hfq' On'+2(m'+p'+q') (I) where A is a divalent metal, 20.multidot.(m'+p'+q')>n'>0.05.multidot.(m'+p... | 07/17/2001 |
| 6245306 | Method for purification of exhaust gas The particulates, etc. deposited on the trap are burnt in such a manner that the trap is heated so that the temperature of the trap does not exceed 500° C. or the maximum temperature gradient in radial direction of the trap is 20° C./mm or less, prefera... | 06/12/2001 |
| 6172000 | Diesel catalyst made from a mixture of particles: platinum on alumina and manganese-zirconium oxide The invention is a method for treating diesel exhaust gases, i.e., in an oxidizing atmosphere, with a catalyst which has a broadened operating temperature window at higher temperatures. It is a mixture of particles comprising platinum/alumina and a bi-met... | 01/09/2001 |
| 6150290 | Ceramic material for use in the separation of oxygen from gas mixture A perovskite ceramic material having the general formula: Ax A'x' A"x" By B'y' B"y" O3-δ, wherein A, A' and A" each is one or more metals selected from the group of lanthanide metals; B, ... | 11/21/2000 |
| 6143203 | Hydrocarbon partial oxidation process Partial oxidation of hydrocarbons to produce hydrogen and carbon monoxide is carried out by a fluidized bed process which includes the steps of passing air through a perovskite-type ceramic mixed conductor in an adsorption zone at an elevated temperature,... | 11/07/2000 |
| 6107239 | Heat resistant metallic oxide catalyst for reducing pollution emission The present invention discloses an exhaust gas catalyst for reducing the pollutant release containing in the exhaust gas. The catalyst includes a primary-core support carrier composed of gamma-phase aluminum oxide. The core-carrier is coated with Y2 | 08/22/2000 |
| 5906958 | Catalyst for purifying automobile exhausts and method of manufacturing the catalyst A catalyst for purifying exhaust gases of an automobile engine including a carrier coprecipitated with a material absorbing oxides of nitrogen (NOx) and an active noble metal wherein the material absorbing oxides of nitrogen is at least one of ... | 05/25/1999 |
| 5905056 | Catalyst and a method for its production and use of same A catalyst and a method for producing the catalyst, for catalytic reduction of NOx and oxidation of hydrocarbons, the catalyst comprises a zinc, copper and aluminum spinel to which, at least one element selected from palladium, platinum, rhodiu... | 05/18/1999 |
| 5900385 | Nickel--containing compounds useful as electrodes and method for preparing same A compound having the formula Liq Crx-y Niy Mn2-x O4+z where qࣙ2, 1.0ࣘxࣘ1.25, 0 | 05/04/1999 |
| 5804526 | Adsorbent for nitrogen oxides and exhaust emission control catalyst An adsorbent exhibiting an excellent adsorption ability to nitrogen oxides (NO) is made from an oxide-based ceramics having an average crystallite grain size D in a range of D | 09/08/1998 |
| 5691263 | Amorphous perovskite catalysts for nitrogen oxide reduction and methods of preparing the same The amorphous perovskite structure catalysts according to the present invention comprise a carrier material and a mixture of at least two metal oxides supported thereon, which have the following formula: (M1a Ox.M21-a... | 11/25/1997 |
